<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="../css/bootstrap.min.css">
    <script type="javascript" src="../js/bootstrap.js"></script>
    <style>
        .container > *{
            height: 100px;
            background: #0dcaf0;
            border: 1px solid black;
        }
    </style>
</head>
<body>
<div class="container">
    <div class="col-3"></div>
    <div class="col-3"></div>
    <div class="col-3"></div>
    <div class="col-3"></div>
    <div class="col-3"></div>
    <div class="col-4"></div>
</div>
<div class="newcon">

</div>
</body>
</html>